Genetic Variant SIPA1L2:p.Cys1559Cys (chr1-232415579-G-A) – ACMG Classification: Benign (-15 pts)

Variant summary

Our verdict is Benign. The variant received -15 ACMG points: 0P and 15B. BP4_ModerateBP6_Very_StrongBP7BS2

The NM_020808.5(SIPA1L2):c.4677C>T(p.Cys1559Cys) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000666 in 1,613,916 control chromosomes in the GnomAD database, including 6 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0036 ( 4 hom., cov: 32)

Exomes 𝑓: 0.00036 ( 2 hom. )

Consequence

SIPA1L2
NM_020808.5 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.0940

Publications

2 publications found

Variant links:

Genes affected

SIPA1L2 (HGNC:23800): (signal induced proliferation associated 1 like 2) This gene encodes a member of the signal-induced proliferation-associated 1 like family. Members of this family contain a GTPase activating domain, a PDZ domain and a C-terminal coiled-coil domain with a leucine zipper. A similar protein in rat acts as a GTPases for the small GTPase Rap. [provided by RefSeq, Sep 2015]

SIPA1L2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -15 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.44).

BP6

Variant 1-232415579-G-A is Benign according to our data. Variant chr1-232415579-G-A is described in ClinVar as [Benign]. Clinvar id is 714105.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.094 with no splicing effect.

BS2

High Homozygotes in GnomAd4 at 4 gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SIPA1L2	NM_020808.5 link	c.4677C>T	p.Cys1559Cys	synonymous_variant	Exon 19 of 23	ENST00000674635.1	NP_065859.3	Q9P2F8-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SIPA1L2	ENST00000674635.1 link	c.4677C>T	p.Cys1559Cys	synonymous_variant	Exon 19 of 23		NM_020808.5	ENSP00000502693.1		Q9P2F8-1

Frequencies

GnomAD3 genomes

AF:

0.00362

AC:

551

AN:

152152

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0126

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000981

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000414

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00335

GnomAD2 exomes

AF:

0.000883

AC:

220

AN:

249142

AF XY:

0.000688

show subpopulations

Gnomad AFR exome

AF:

0.0131

Gnomad AMR exome

AF:

0.000291

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000353

Gnomad OTH exome

AF:

0.000331

GnomAD4 exome

AF:

0.000358

AC:

524

AN:

1461646

Hom.:

Cov.:

AF XY:

0.000320

AC XY:

233

AN XY:

727118

show subpopulations

African (AFR)

AF:

0.0132

AC:

441

AN:

33472

American (AMR)

AF:

0.000403

AC:

AN:

44678

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.0000348

AC:

AN:

86192

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.000693

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000126

AC:

AN:

1111898

Other (OTH)

AF:

0.000729

AC:

AN:

60388

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.471

Heterozygous variant carriers

123

154

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00362

AC:

551

AN:

152270

Hom.:

Cov.:

AF XY:

0.00343

AC XY:

255

AN XY:

74452

show subpopulations

African (AFR)

AF:

0.0126

AC:

525

AN:

41546

American (AMR)

AF:

0.000980

AC:

AN:

15306

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5180

South Asian (SAS)

AF:

0.000414

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10610

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68012

Other (OTH)

AF:

0.00331

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.505

Heterozygous variant carriers

101

126

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00218

Hom.:

Bravo

AF:

0.00426

ClinVar

Significance: Benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Breakthrough Genomics, Breakthrough Genomics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

Mar 02, 2018

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.44

CADD

Benign

3.9

(source)

DANN

Benign

0.91

PhyloP100

0.094

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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1-232415579-G-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over